Power Supply/GND Pin List

Pin Name

Pin No.

I/O

Function

 

 

 

 

VDD

28,41,72,

PW

DSP core power supply (1.5V)

 

130,146

 

 

 

 

 

 

VCCR

2,53

PW

SDRAM power supply (3.3V)

 

 

 

 

VCCRQ

8,26

 

SDRAM I/O power supply (3.3V)

 

 

 

 

VDDAA

159

PW

1.5V system analog power supply (1.5V) WPLL1,2

 

189,193,197

 

1.5V system analog power supply (1.5V) PRML A/D Data PLL

 

 

 

 

VCCA

99

PW

Analog power supply (3.3V):AUDIO / ADIP

 

108

 

Analog power supply (3.3V):PLL multiplication

 

139

 

Analog power supply (3.3V):LVDS

 

166

 

Analog power supply (3.3V):WPLL1,2

 

185

 

Analog power supply (3.3V):Servo A/D D/A

 

186

 

Analog power supply (3.3V):PRML A/D Data PLL

 

 

 

 

VCC

199

PW

Digital power supply (3.3V):PRML A/D Data PLL

 

 

 

 

VCCIO

7,32,52,

PW

DSP I/O power supply (3.3V)

 

58,75,88,

 

 

 

133,148,200

 

 

 

 

 

 

VSS

27,42,73,

GND

DSP core GND

 

131,145

 

 

 

 

 

 

VSSR

1,54

GND

SDRAM GND

 

 

 

 

VSSRQ

11,22

GND

SDRAM I/O GND

 

 

 

 

VSSA

104

GND

Analog GND:AUDIO / ADIP

 

105

 

Analog GND:PLL multiplication

 

144

 

Analog GND:LVDS

 

167

 

Analog GND:WPLL1,2

 

168

 

Analog GND:Servo A/D D/A

 

187,191,195

 

Analog GND:PRML A/D Data PLL

 

 

 

 

VSSAA

158

GND

1.5V system analog GND:WPLL1,2

 

 

 

 

VSSIO

6,31,51,

GND

DSP I/O GND

 

57,74,87,

 

Connected SDRAM I/O GND through 6,31pin

 

132,147,201

 

 

 

 

 

 

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LG Electronics GSA-4167B, GSA-4168B, GSA-4165B service manual Power Supply/GND Pin List Pin Name Pin No Function

GSA-4167B, GSA-4165B, GSA-4168B specifications

LG Electronics has been a prominent name in the electronics industry, particularly known for its innovative optical storage solutions. Among its noteworthy products are the GSA-4167B, GSA-4165B, and GSA-4168B DVD writers, each showcasing a blend of advanced technology and user-friendly features tailored to meet diverse consumer needs.

The LG GSA-4167B stands out for its versatility and performance. This model supports a wide range of disc formats, including DVD-R, DVD+R, DVD-RW, DVD+RW, and dual-layer DVDs, enhancing its usability for various applications. With a generous writing speed of up to 16x for DVD+R and 8x for dual-layer DVDs, users can create and backup data efficiently. This device is equipped with LG’s Super Multi technology which allows it to read and write multiple formats, making it a perfect choice for users who wish to maximize their media experience without being restricted to a single format.

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